Synopsis

Having fallen into the trap set by the evil organisation "The Red Venus", and inhaling a peculiar gas, all the members of the Special Crime Unit were turned into kids. One of them, is elite investigator Hazama Seishiro. As a kid at the age of an elementary 6 student, he has no choice but to go back to school. Even as a kid he is as cool and as popular as ever, but since he is an adult trapped in a kid's body, his actions and thoughts are deemed eccentric. Soon, strange happenings and trouble is a-brewing in the school, and Seishiro will be resolving the cases one by one. - by TBS